Display panel of a programmed computer system with a graphical user interface



The FIGURE is a front view of a display panel of a programmed computer system with a graphical user interface, showing the new design.

The outermost broken line rectangle showing the display screen, and all other broken lines showing portions of the graphical user interface, illustrate portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display panel of a programmed computer system with a graphical user interface, as shown and described. 